AT&T SBC-420 - Manual (Page 9)

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1 . While in the PROGRAM mode, press the
▼ button until the following screen
appears:
PROGRAMMING OPTIONS PROGRAMMING OPTIONS
LINE USAGE
▲▼: select
:
enter
▲
L4 USAGE
= On
▲▼: select
SAVE?
L4 USAGE
= Off
Programmed!
L1 USAGE
▲▼: select
:
enter
▲
Lines that are not used (connected) to the 420 must be turned OFF. If lines are added later they
can be turned ON.
For system feature operations like call transfer, paging and intercom, line one must be
connected and common to all 420 extensions in the system.
NOTE:
■ If a line is NOT connected to the 420 and the LINE USAGE is NOT turned OFF, the LINE IN USE INDICATOR
will flash.
PROGRAMMING THE LINE USAGE
2 . Press the button to enter.
3 .
Use the ▲▼ buttons to select the desired
line, 1-4.
4 .
Press the button to enter.
5 . Use the ▲▼ buttons to turn the line on or
off.
L4 USAGE
= Off
▲▼: select
SAVE?
6 . Press SAVE to accept the setting.
7 . The LINE IN USE INDICATOR for the line
will stop flashing and will not relight until
the LINE USAGE is turned back on. Repeat
for the other lines.
The PRIME LINE is the line that the 420 attempts to use when going off-hook when the phone
is not ringing. Line 1 is the default.
If the phone is ringing and you go off-hook, the 420 will answer the ringing line. If more than
one line is ringing, the 420 will answer the line that was ringing first.
SETTING THE PRIME LINE
1 .
While in the PROGRAM mode, press the
▼ button until the following screen
appears:
PRIME LINE
▲▼: select
:
enter
▲
PRIME LINE
= L1
▲▼: select
SAVE?
3 . Use the ▲▼ buttons to select the desired
PRIME LINE.
2 .
Press the button to enter.
PRIME LINE
= L2
▲▼: select
SAVE?
4 . Press SAVE to accept the setting.
PRIME LINE
= L2
Programmed!
PROGRAMMING
PROGRAMMING